Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8403868Type
Filing
Publication
The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Carl Freudenberg, firma alemã
DE
Inventors
K. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
G 83 22 349.5 · 08/03/1983
DE
P 34 09 982.4 · 03/19/1984
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